import { ICoding, IPeriod } from 'fhirtypes/dist/r4';
import { IEncounterClassHistory, IOperationOutcome } from 'fhirtypes/dist/r4';
import { BackboneElement, IValidatable, ISerializable } from '../base';
/**
  * @version R4 (v4.0.1)
  * @summary FHIR® Specification by HL7®
  * @description Class for EncounterClassHistory BackboneElement
  undefined
  * @property {ICoding} class
  * @property {IPeriod} period
  * @author Roberto Araneda Espinoza
  */
export declare class EncounterClassHistory extends BackboneElement implements IEncounterClassHistory, IValidatable, ISerializable {
    /**
     * @description inpatient | outpatient | ambulatory | emergency +.
     */
    class: ICoding;
    /**
     * @description The time that the episode was in the specified class.
     */
    period: IPeriod;
    /**
     * @description Returns a JSON representation of the model
     * @returns {Record<string, any>}
     */
    toJson(): Record<string, any>;
    /**
     * @description Returns a string representation of the model
     * @returns {string}
     */
    toString(): string;
    /**
     * @description Returns a pretty string representation of the model
     * @returns {string}
     */
    toPrettyString(): string;
    /**
     * @description Returns a serialized string representation of the model
     * @returns {string}
     */
    serialize(): string;
    /**
     * @description Validates the model
     * @returns {isValid: boolean, operationOutcome: IOperationOutcome}
     */
    validate(): {
        isValid: boolean;
        operationOutcome: IOperationOutcome;
    };
    constructor(args?: IEncounterClassHistory);
}